Question

GUYS! PLEASE HELP ME IN NO. 8 AND 9 WITH SOLUTIONS.

Find the area of each shaded region. Assume that all angles that appear to be right angles are right angles.​

Answer 1

Explanation:

Triangle

`(10 * 4)/(2) - (5 * 3)/(2) = \\ = (40)/(2) - (15)/(2) = \\ = (25)/(2)`

Circle

`{4}^(2) \pi - {2}^(2) \pi = \\ = 16\pi - 4\pi = \\ = 12\pi`